Corrosion performance of He+ ion irradiated 304 L stainless steel made by laser powder bed fusion in simulated PWR water
Artikel i vetenskaplig tidskrift, 2022

The corrosion performance of irradiated 304 L processed by laser powder bed fusion (LPBF) in simulated primary water of pressurized water reactor was investigated. The oxide scales formed on He+ irradiated and unirradiated LPBF 304 L were compared between as-built and solution-annealed samples along with a conventionally rolled irradiated counterpart. The irradiation induced corrosion acceleration by forming slightly thicker duplex-layer films with loose the inner oxide layer was observed on the solution-annealed sample due to the fast diffusion paths provided by irradiation defects. A relatively dense film with a thinner thickness and more Cr enrichment in the inner scale revealed a better corrosion resistance in the as-built LPBF 304 L sample, which was attributed to the better irradiation resistance and the unique microstructure of ultrafine crystalline.

Stainless steel

High temperature corrosion

Laser Powder Bed Fusion

Irradiation

Författare

Hui Liu

University of Shanghai for Science and Technology

Shiling Min

University of Shanghai for Science and Technology

Menglei Jiang

University of Shanghai for Science and Technology

Siyi Qiu

University of Shanghai for Science and Technology

Wenjun Kuang

Xi'an Jiaotong University

Zhuoer Chen

Chalmers, Industri- och materialvetenskap, Material och tillverkning

Juan Hou

University of Shanghai for Science and Technology

State Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment

Corrosion Science

0010-938X (ISSN)

Vol. 206 110545

Ämneskategorier

Materialkemi

Annan materialteknik

Korrosionsteknik

DOI

10.1016/j.corsci.2022.110545

Mer information

Senast uppdaterat

2022-08-15